/*----------------------------------------------------------------------------
*
* Copyright (C) 2021 - 2024 Antonio Augusto Alves Junior
*
* This file is part of RandomIterator.

* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ----------------------------------------------------------------------------*/
/*
 * mulhilo64.h
 *
 *  Created on: 12/03/2021
 *      Author: Antonio Augusto Alves Junior
 */

#pragma once

#include <cmath>
#include <cstdint>

#ifdef __powerpc64__
static inline uint64_t  _mulhilo_asm_64(uint64_t ax, uint64_t b, uint64_t *hip){
    uint64_t dx;
    __asm__("\n\t"
        "mulhdu" " %2\n\t"
        : "=a"(ax), "=d"(dx)
        : "r"(b), "0"(ax)
        );
    *hip = dx;
    return ax;
}
#else
static inline uint64_t  _mulhilo_asm_64(uint64_t ax, uint64_t b, uint64_t *hip){
    uint64_t dx;
    __asm__("\n\t"
        "mulq" " %2\n\t"
        : "=a"(ax), "=d"(dx)
        : "r"(b), "0"(ax)
        );
    *hip = dx;
    return ax;
}

#endif /* __powerpc64__ */
